Not sure about 30D...since I am not a canon user, but / o. s% m. F% j7 N l 6 u% P( u; E/ T6 ^7 N9 ?For most of the Cameras, this sound is simulated, and it can be turned off in setting manu...) d5 G$ h1 Q3 K9 p6 ?/ D" k" I
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The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.